BERLIN ***8212; Kerron Clement of the United States has defended his 400-meter hurdles title at the world championships.

Clement exploded over the first 200 meters Tuesday and managed to hold off a late challenge from Javier Culson of Puerto Rico and crossed the line in 47.91 seconds.

Culson finished in 48.09 to take the silver, and 2005 world champion Bershawn Jackson of the United States picked up the bronze with a time of 48.23.FIRST TIME A PUERTORICAN DOES THAT!! WAY TO GO JAVIER!!